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Finding the Fourth Proportional to 56,184.81, 84,265.81 and 20,633.91

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Solution

The fourth proportional to 56,184.81, 84,265.81 and 20,633.91 is: 30,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,184.81 : 84,265.81 = 20,633.91 : x
  2. Step 2: Convert to fraction form
    56,184.81/84,265.81 = 20,633.91/x
  3. Step 3: Cross multiply
    56,184.81x = 84,265.81 × 20,633.91
  4. Step 4: Simplify right side
    56,184.81x = 1,738,733,088.03
  5. Step 5: Solve for x
    x = 1,738,733,088.03/56,184.81
  6. Step 6: Final answer
    x = 30,946.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.